Basic, High-Density, and Saturation price pieces must also be marked “ECRLOT,” “ECRWSH,” or “ECRWSS,” respectively, in the correct optional endorsement line under 708.2.0 or in correct carrier route information line under 708.8.0 or in the postage area. Pieces in a mailing consisting of bundles claimed at more than one Enhanced Carrier Route price must bear appropriate marking for price claimed. Pieces not claimed at corresponding price must not be included in the mailing and must not bear the “ECRLOT,” “ECRWSH,” or “ECRWSS” marking. For additional marking standards for carrier route pieces, see 708.8.0.

Bundles: 10 or more addressed pieces to same carrier route (city route, rural route, highway contract route, post office box section, or general delivery unit) must be prepared in bundles; fewer than 10 pieces allowed only if route has fewer than 10 delivery stops. Mail must be presented in walk-sequence (443.6.5) and meet density standards.

Bundles: 10 or more addressed pieces to same carrier route (city route, rural route, highway contract route, post office box section, or general delivery unit) must be prepared in bundles. Mail must be presented in line-of-travel or walk- sequence (443.6.3).

Labels: Use OEL with carrier route description prefix and route number (708.7.0).